*{
    padding: 0;
    border: 0;
}
.p1{
    width: 300px;
    height: 600px;
}
.p2{
    display: flex;
}
.p2 input{
    width: 200px;
    border-bottom: #727272 1px solid;
}
.calculator{
    display: flex;
    flex-wrap: wrap;
    align-content: space-between;
    width: 100%;
    height: 100%;
}
.calculator td div{
    user-select: none;
    border-radius: 50%;
    text-align: center;
    line-height: 60px;
    font-weight: bold;
    border: #727272 solid 1px;
    width: 60px;
    height: 60px;
    background-color: #cecece;
}
